mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
85a622b13a
This means the type information is available for all methods operating with the setting type, which is easier for the authors, allows for compile-time checks and optimizations. Remove the enum that was used to indirectly obtain the setting type at runtime. Revises SGUISetting and enum frome326ebae46(5122b0f906), std::function from82f1d2718b. Differential Revision: https://code.wildfiregames.com/D2145 Tested on: gcc, clang, VS2015, Jenkins This was SVN commit r22604.
430 lines
11 KiB
C++
430 lines
11 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "GUIutil.h"
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#include "gui/GUI.h"
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#include "gui/GUIManager.h"
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#include "maths/Matrix3D.h"
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#include "ps/CLogger.h"
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#include "ps/GameSetup/Config.h"
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extern int g_xres, g_yres;
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template<typename T>
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CGUISetting<T>::CGUISetting(IGUIObject& pObject, const CStr& Name)
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: m_pSetting(T()), m_Name(Name), m_pObject(pObject)
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{
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}
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template<typename T>
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bool CGUISetting<T>::FromString(const CStrW& Value, const bool& SkipMessage)
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{
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T settingValue;
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if (!GUI<T>::ParseString(Value, settingValue))
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return false;
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GUI<T>::SetSetting(&m_pObject, m_Name, settingValue, SkipMessage);
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return true;
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};
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template<typename T>
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bool CGUISetting<T>::FromJSVal(JSContext* cx, JS::HandleValue Value)
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{
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T settingValue;
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if (!ScriptInterface::FromJSVal<T>(cx, Value, settingValue))
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return false;
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GUI<T>::SetSetting(&m_pObject, m_Name, settingValue);
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return true;
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};
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template<typename T>
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void CGUISetting<T>::ToJSVal(JSContext* cx, JS::MutableHandleValue Value)
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{
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ScriptInterface::ToJSVal<T>(cx, Value, m_pSetting);
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};
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template <>
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bool __ParseString<bool>(const CStrW& Value, bool& Output)
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{
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if (Value == L"true")
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Output = true;
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else if (Value == L"false")
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Output = false;
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else
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return false;
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return true;
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}
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template <>
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bool __ParseString<int>(const CStrW& Value, int& Output)
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{
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Output = Value.ToInt();
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return true;
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}
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template <>
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bool __ParseString<u32>(const CStrW& Value, u32& Output)
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{
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Output = Value.ToUInt();
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return true;
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}
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template <>
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bool __ParseString<float>(const CStrW& Value, float& Output)
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{
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Output = Value.ToFloat();
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return true;
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}
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template <>
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bool __ParseString<CRect>(const CStrW& Value, CRect& Output)
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{
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const unsigned int NUM_COORDS = 4;
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float coords[NUM_COORDS];
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std::wstringstream stream;
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stream.str(Value);
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// Parse each coordinate
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for (unsigned int i = 0; i < NUM_COORDS; ++i)
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{
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if (stream.eof())
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{
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LOGWARNING("Too few CRect parameters (min %i). Your input: '%s'", NUM_COORDS, Value.ToUTF8().c_str());
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return false;
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}
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stream >> coords[i];
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if ((stream.rdstate() & std::wstringstream::failbit) != 0)
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{
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LOGWARNING("Unable to parse CRect parameters. Your input: '%s'", Value.ToUTF8().c_str());
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return false;
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}
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}
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if (!stream.eof())
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{
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LOGWARNING("Too many CRect parameters (max %i). Your input: '%s'", NUM_COORDS, Value.ToUTF8().c_str());
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return false;
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}
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// Finally the rectangle values
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Output = CRect(coords[0], coords[1], coords[2], coords[3]);
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return true;
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}
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template <>
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bool __ParseString<CClientArea>(const CStrW& Value, CClientArea& Output)
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{
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return Output.SetClientArea(Value.ToUTF8());
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}
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template <>
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bool GUI<int>::ParseColor(const CStrW& Value, CGUIColor& Output, int DefaultAlpha)
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{
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return Output.ParseString(Value.ToUTF8(), DefaultAlpha);
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}
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template <>
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bool __ParseString<CGUIColor>(const CStrW& Value, CGUIColor& Output)
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{
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return Output.ParseString(Value.ToUTF8());
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}
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template <>
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bool __ParseString<CSize>(const CStrW& Value, CSize& Output)
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{
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const unsigned int NUM_COORDS = 2;
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float coords[NUM_COORDS];
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std::wstringstream stream;
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stream.str(Value);
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// Parse each coordinate
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for (unsigned int i = 0; i < NUM_COORDS; ++i)
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{
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if (stream.eof())
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{
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LOGWARNING("Too few CSize parameters (min %i). Your input: '%s'", NUM_COORDS, Value.ToUTF8().c_str());
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return false;
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}
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stream >> coords[i];
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if ((stream.rdstate() & std::wstringstream::failbit) != 0)
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{
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LOGWARNING("Unable to parse CSize parameters. Your input: '%s'", Value.ToUTF8().c_str());
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return false;
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}
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}
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Output.cx = coords[0];
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Output.cy = coords[1];
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if (!stream.eof())
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{
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LOGWARNING("Too many CSize parameters (max %i). Your input: '%s'", NUM_COORDS, Value.ToUTF8().c_str());
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return false;
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}
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return true;
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}
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template <>
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bool __ParseString<CPos>(const CStrW& Value, CPos& Output)
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{
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const unsigned int NUM_COORDS = 2;
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float coords[NUM_COORDS];
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std::wstringstream stream;
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stream.str(Value);
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// Parse each coordinate
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for (unsigned int i = 0; i < NUM_COORDS; ++i)
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{
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if (stream.eof())
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{
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LOGWARNING("Too few CPos parameters (min %i). Your input: '%s'", NUM_COORDS, Value.ToUTF8().c_str());
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return false;
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}
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stream >> coords[i];
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if ((stream.rdstate() & std::wstringstream::failbit) != 0)
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{
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LOGWARNING("Unable to parse CPos parameters. Your input: '%s'", Value.ToUTF8().c_str());
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return false;
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}
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}
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Output.x = coords[0];
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Output.y = coords[1];
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if (!stream.eof())
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{
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LOGWARNING("Too many CPos parameters (max %i). Your input: '%s'", NUM_COORDS, Value.ToUTF8().c_str());
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return false;
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}
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return true;
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}
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template <>
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bool __ParseString<EAlign>(const CStrW& Value, EAlign& Output)
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{
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if (Value == L"left")
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Output = EAlign_Left;
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else if (Value == L"center")
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Output = EAlign_Center;
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else if (Value == L"right")
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Output = EAlign_Right;
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else
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return false;
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return true;
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}
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template <>
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bool __ParseString<EVAlign>(const CStrW& Value, EVAlign& Output)
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{
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if (Value == L"top")
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Output = EVAlign_Top;
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else if (Value == L"center")
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Output = EVAlign_Center;
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else if (Value == L"bottom")
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Output = EVAlign_Bottom;
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else
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return false;
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return true;
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}
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template <>
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bool __ParseString<CGUIString>(const CStrW& Value, CGUIString& Output)
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{
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Output.SetValue(Value);
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return true;
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}
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template <>
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bool __ParseString<CStr>(const CStrW& Value, CStr& Output)
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{
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// Do very little.
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Output = Value.ToUTF8();
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return true;
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}
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template <>
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bool __ParseString<CStrW>(const CStrW& Value, CStrW& Output)
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{
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Output = Value;
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return true;
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}
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template <>
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bool __ParseString<CGUISpriteInstance>(const CStrW& Value, CGUISpriteInstance& Output)
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{
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Output = CGUISpriteInstance(Value.ToUTF8());
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return true;
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}
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template <>
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bool __ParseString<CGUIList>(const CStrW& UNUSED(Value), CGUIList& UNUSED(Output))
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{
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return false;
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}
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template <>
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bool __ParseString<CGUISeries>(const CStrW& UNUSED(Value), CGUISeries& UNUSED(Output))
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{
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return false;
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}
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CMatrix3D GetDefaultGuiMatrix()
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{
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float xres = g_xres / g_GuiScale;
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float yres = g_yres / g_GuiScale;
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CMatrix3D m;
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m.SetIdentity();
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m.Scale(1.0f, -1.f, 1.0f);
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m.Translate(0.0f, yres, -1000.0f);
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CMatrix3D proj;
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proj.SetOrtho(0.f, xres, 0.f, yres, -1.f, 1000.f);
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m = proj * m;
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return m;
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}
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template <typename T>
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PSRETURN GUI<T>::GetSettingPointer(const IGUIObject* pObject, const CStr& Setting, T*& Value)
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{
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ENSURE(pObject != NULL);
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std::map<CStr, IGUISetting*>::const_iterator it = pObject->m_Settings.find(Setting);
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if (it == pObject->m_Settings.end())
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{
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LOGWARNING("setting %s was not found on object %s",
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Setting.c_str(),
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pObject->GetPresentableName().c_str());
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return PSRETURN_GUI_InvalidSetting;
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}
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if (it->second == nullptr)
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return PSRETURN_GUI_InvalidSetting;
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// Get value
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Value = &(static_cast<CGUISetting<T>* >(it->second)->m_pSetting);
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return PSRETURN_OK;
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}
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template <typename T>
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PSRETURN GUI<T>::GetSetting(const IGUIObject* pObject, const CStr& Setting, T& Value)
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{
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T* v = NULL;
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PSRETURN ret = GetSettingPointer(pObject, Setting, v);
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if (ret == PSRETURN_OK)
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Value = *v;
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return ret;
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}
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template <typename T>
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PSRETURN GUI<T>::SetSetting(IGUIObject* pObject, const CStr& Setting, T& Value, const bool& SkipMessage)
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{
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return SetSettingWrap(pObject, Setting, Value, SkipMessage,
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[&pObject, &Setting, &Value]() {
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static_cast<CGUISetting<T>* >(pObject->m_Settings[Setting])->m_pSetting = std::move(Value);
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});
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}
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template <typename T>
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PSRETURN GUI<T>::SetSetting(IGUIObject* pObject, const CStr& Setting, const T& Value, const bool& SkipMessage)
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{
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return SetSettingWrap(pObject, Setting, Value, SkipMessage,
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[&pObject, &Setting, &Value]() {
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static_cast<CGUISetting<T>* >(pObject->m_Settings[Setting])->m_pSetting = Value;
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});
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}
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// Helper function for SetSetting
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template <typename T>
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bool IsBoolTrue(const T&)
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{
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return false;
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}
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template <>
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bool IsBoolTrue<bool>(const bool& v)
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{
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return v;
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}
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template <typename T>
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PSRETURN GUI<T>::SetSettingWrap(IGUIObject* pObject, const CStr& Setting, const T& Value, const bool& SkipMessage, const std::function<void()>& valueSet)
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{
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ENSURE(pObject != NULL);
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if (!pObject->SettingExists(Setting))
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{
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LOGWARNING("setting %s was not found on object %s",
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Setting.c_str(),
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pObject->GetPresentableName().c_str());
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return PSRETURN_GUI_InvalidSetting;
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}
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valueSet();
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// Some settings needs special attention at change
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// If setting was "size", we need to re-cache itself and all children
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if (Setting == "size")
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{
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RecurseObject(0, pObject, &IGUIObject::UpdateCachedSize);
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}
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else if (Setting == "hidden")
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{
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// Hiding an object requires us to reset it and all children
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if (IsBoolTrue(Value))
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RecurseObject(0, pObject, &IGUIObject::ResetStates);
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}
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if (!SkipMessage)
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{
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SGUIMessage msg(GUIM_SETTINGS_UPDATED, Setting);
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pObject->HandleMessage(msg);
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}
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return PSRETURN_OK;
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}
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// Instantiate templated functions:
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#define TYPE(T) \
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template PSRETURN GUI<T>::GetSettingPointer(const IGUIObject* pObject, const CStr& Setting, T*& Value); \
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template PSRETURN GUI<T>::GetSetting(const IGUIObject* pObject, const CStr& Setting, T& Value); \
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template PSRETURN GUI<T>::SetSetting(IGUIObject* pObject, const CStr& Setting, T& Value, const bool& SkipMessage); \
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template PSRETURN GUI<T>::SetSetting(IGUIObject* pObject, const CStr& Setting, const T& Value, const bool& SkipMessage); \
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template class CGUISetting<T>; \
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#define GUITYPE_IGNORE_CGUISpriteInstance
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#include "GUItypes.h"
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#undef GUITYPE_IGNORE_CGUISpriteInstance
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#undef TYPE
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// Don't instantiate GetSetting<CGUISpriteInstance> - this will cause linker errors if
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// you attempt to retrieve a sprite using GetSetting, since that copies the sprite
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// and will mess up the caching performed by DrawSprite. You have to use GetSettingPointer
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// instead. (This is mainly useful to stop me accidentally using the wrong function.)
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template PSRETURN GUI<CGUISpriteInstance>::GetSettingPointer(const IGUIObject* pObject, const CStr& Setting, CGUISpriteInstance*& Value);
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template PSRETURN GUI<CGUISpriteInstance>::SetSetting(IGUIObject* pObject, const CStr& Setting, CGUISpriteInstance& Value, const bool& SkipMessage);
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template class CGUISetting<CGUISpriteInstance>;
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